Evolution is the idea that creatures or plants start at a more primitive level and over time adapt to the environment until they are completely adapted. A great example are the finches as depending on what food was available their beak changed over generations to give them an advantage.
Answer:
Sickle cell anemia is caused by a mutation in the gene that tells your body to make the iron-rich compound that makes blood red and enables red blood cells to carry oxygen from your lungs throughout your body (hemoglobin)
Explanation:
Aristotle is the father of biology
Hi the answer you are looking for is option A)
